[go: up one dir, main page]

GB2613686B - Modulator feedforward compensation - Google Patents

Modulator feedforward compensation Download PDF

Info

Publication number
GB2613686B
GB2613686B GB2215005.6A GB202215005A GB2613686B GB 2613686 B GB2613686 B GB 2613686B GB 202215005 A GB202215005 A GB 202215005A GB 2613686 B GB2613686 B GB 2613686B
Authority
GB
United Kingdom
Prior art keywords
modulator
feedforward compensation
feedforward
compensation
modulator feedforward
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB2215005.6A
Other versions
GB202215005D0 (en
GB2613686A (en
Inventor
Maru Siddharth
B Prakash Chandra
Das Tejasvi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirrus Logic International Semiconductor Ltd
Original Assignee
Cirrus Logic International Semiconductor Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Publication of GB202215005D0 publication Critical patent/GB202215005D0/en
Publication of GB2613686A publication Critical patent/GB2613686A/en
Application granted granted Critical
Publication of GB2613686B publication Critical patent/GB2613686B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/023—Driving circuits for generating signals continuous in time and stepped in amplitude, e.g. square wave, 2-level signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/481—A resistor being used as sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Amplifiers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB2215005.6A 2021-11-30 2022-10-12 Modulator feedforward compensation Active GB2613686B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163284030P 2021-11-30 2021-11-30
US17/739,480 US11979115B2 (en) 2021-11-30 2022-05-09 Modulator feedforward compensation

Publications (3)

Publication Number Publication Date
GB202215005D0 GB202215005D0 (en) 2022-11-23
GB2613686A GB2613686A (en) 2023-06-14
GB2613686B true GB2613686B (en) 2023-12-27

Family

ID=84817896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2215005.6A Active GB2613686B (en) 2021-11-30 2022-10-12 Modulator feedforward compensation

Country Status (2)

Country Link
US (1) US11979115B2 (en)
GB (1) GB2613686B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090251216A1 (en) * 2008-04-04 2009-10-08 Infineon Technologies Ag Common mode control circuitry for multi-stage operational amplifiers
US20180020288A1 (en) * 2016-07-15 2018-01-18 Texas Instruments Incorporated Direct current mode digital-to-analog converter to class d amplifier

Family Cites Families (208)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888554A (en) 1988-08-02 1989-12-19 Mcw Research Foundation, Inc. Electron paramagnetic resonance (EPR) spectrometer
DE4004450A1 (en) 1990-02-14 1991-08-29 Heinrich Kissling Gmbh & Co Kg Inductive proximity switch with variable oscillator supplying coil - uses tuned circuits in sensor and detector to avoid actuation from other metallic objects
FR2671929A1 (en) 1991-01-18 1992-07-24 Thomson Tubes Electroniques HEATING GENERATOR BY HIGH FREQUENCY.
DE69326657T2 (en) 1992-03-02 2000-03-02 Seiko Instr Inc POSITION INPUT DEVICE AND INPUT KEYBOARD
TW228043B (en) 1992-06-26 1994-08-11 Philips Electronics Nv
US5361184A (en) 1992-10-20 1994-11-01 Board Of Regents Of The University Of Washington Adaptive sequential controller
JP2698320B2 (en) 1993-08-31 1998-01-19 日本電信電話株式会社 Permanent input system, Permanent intention communication system, Permanent music keyboard system, Permanent Braille input / output system
US5661269A (en) 1994-02-03 1997-08-26 Wacom Co., Ltd. Position pointing device having resonant circuit with sequentially changed characteristics and combination thereof with position detecting device
US20050192727A1 (en) 1994-05-09 2005-09-01 Automotive Technologies International Inc. Sensor Assemblies
US5999168A (en) 1995-09-27 1999-12-07 Immersion Corporation Haptic accelerator for force feedback computer peripherals
DE19623468A1 (en) 1996-06-12 1997-12-18 Wacom Co Ltd Position detecting tablet
US7614008B2 (en) 2004-07-30 2009-11-03 Apple Inc. Operation of a computer with touch screen interface
JP2000051156A (en) 1998-06-02 2000-02-22 Olympus Optical Co Ltd Touch sensor signal processor
US6283859B1 (en) 1998-11-10 2001-09-04 Lord Corporation Magnetically-controllable, active haptic interface system and apparatus
ATE250784T1 (en) 1998-11-27 2003-10-15 Synaptics Uk Ltd POSITION SENSOR
US6473708B1 (en) 1999-12-20 2002-10-29 Bechtel Bwxt Idaho, Llc Device and method for self-verifying temperature measurement and control
US7965276B1 (en) 2000-03-09 2011-06-21 Immersion Corporation Force output adjustment in force feedback devices based on user contact
WO2003003412A2 (en) 2001-06-29 2003-01-09 Inductive Signature Technologies, Inc. Inductive signature measurement circuit
GB0224090D0 (en) 2002-10-16 2002-11-27 Sensopad Technologies Ltd Sensing apparatus & method
GB0303627D0 (en) 2003-02-17 2003-03-19 Sensopad Technologies Ltd Sensing method and apparatus
DE602004006168T2 (en) 2003-11-29 2008-01-03 TT Electronics Technology Limited, Harston INDUCTIVE POSITION MEASUREMENT DEVICE AND METHOD
FR2866726B1 (en) 2004-02-23 2006-05-26 Jazzmutant CONTROLLER BY HANDLING VIRTUAL OBJECTS ON A MULTI-CONTACT TOUCH SCREEN
JP4324012B2 (en) 2004-05-20 2009-09-02 日立オムロンターミナルソリューションズ株式会社 Displacement detection device and displacement detection method
US7006938B2 (en) 2004-06-16 2006-02-28 Ami Semiconductor, Inc. Reactive sensor modules using Pade' Approximant based compensation and providing module-sourced excitation
US7089099B2 (en) 2004-07-30 2006-08-08 Automotive Technologies International, Inc. Sensor assemblies
US7173410B1 (en) 2004-09-28 2007-02-06 Rockwell Automation Technologies, Inc. Proximity sensor combining impedance, frequency and decay constant information
DE602005013571D1 (en) 2004-12-14 2009-05-07 Howard Mark Anthony DETECTOR
JP4137902B2 (en) 2005-03-07 2008-08-20 日本航空電子工業株式会社 Detection device
US7337085B2 (en) 2005-06-10 2008-02-26 Qsi Corporation Sensor baseline compensation in a force-based touch device
KR100735366B1 (en) 2005-08-23 2007-07-04 삼성전자주식회사 Self-compensation apparatus and method in wireless transceiver
US20070080680A1 (en) 2005-10-06 2007-04-12 Thaddeus Schroeder Apparatus, sensor, and method for measuring an amount of strain
US9182837B2 (en) 2005-11-28 2015-11-10 Synaptics Incorporated Methods and systems for implementing modal changes in a device in response to proximity and force indications
WO2007068283A1 (en) 2005-12-12 2007-06-21 Semtech Neuchâtel SA Sensor interface
DE102005062906B4 (en) 2005-12-29 2008-11-27 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Evaluation and compensation circuit for an inductive displacement sensor
US8004497B2 (en) 2006-05-18 2011-08-23 Cypress Semiconductor Corporation Two-pin buttons
DE102006026543B4 (en) 2006-06-07 2010-02-04 Vogt Electronic Components Gmbh Position encoder and associated method for detecting a position of a rotor of a machine
US7570220B2 (en) 2006-06-27 2009-08-04 Sensormatic Electronics Corporation Resonant circuit tuning system with dynamic impedance matching
US8068097B2 (en) 2006-06-27 2011-11-29 Cypress Semiconductor Corporation Apparatus for detecting conductive material of a pad layer of a sensing device
US8040321B2 (en) 2006-07-10 2011-10-18 Cypress Semiconductor Corporation Touch-sensor with shared capacitive sensors
GB0613983D0 (en) 2006-07-13 2006-08-23 Synaptics Uk Ltd Digitising System
US8599144B2 (en) 2006-07-31 2013-12-03 Cypress Semiconductor Corporation Grounded button for capacitive sensor
GB2443010B (en) 2006-10-10 2009-09-02 Promethean Technologies Group Interactive display system
US20080088594A1 (en) 2006-10-12 2008-04-17 Hua Liu Two-substrate layer touchpad capacitive sensing device
US20080088595A1 (en) 2006-10-12 2008-04-17 Hua Liu Interconnected two-substrate layer touchpad capacitive sensing device
US9389296B2 (en) 2012-07-26 2016-07-12 General Electric Company Method for sensor reader calibration
US8373664B2 (en) 2006-12-18 2013-02-12 Cypress Semiconductor Corporation Two circuit board touch-sensor device
US20080143681A1 (en) 2006-12-18 2008-06-19 Xiaoping Jiang Circular slider with center button
US8120584B2 (en) 2006-12-21 2012-02-21 Cypress Semiconductor Corporation Feedback mechanism for user detection of reference location on a sensing device
US8130203B2 (en) 2007-01-03 2012-03-06 Apple Inc. Multi-touch input discrimination
US8144126B2 (en) 2007-05-07 2012-03-27 Cypress Semiconductor Corporation Reducing sleep current in a capacitance sensing system
US9070856B1 (en) 2007-06-14 2015-06-30 Misonix, Incorporated Waveform generator for driving electromechanical device
US20090008161A1 (en) 2007-07-04 2009-01-08 Jones Christopher W Capacitive sensor array and gesture recognition
EP2167914B1 (en) 2007-07-12 2016-04-27 Picometrix, LLC System to measure the transit time position(s) of pulses in a time domain data
US20090058430A1 (en) 2007-09-05 2009-03-05 Sentrinsic Systems and Methods for Sensing Positions of Components
US8674950B2 (en) 2007-09-06 2014-03-18 Cypress Semiconductor Corporation Dual-sensing-mode touch-sensor device
WO2009050813A1 (en) 2007-10-18 2009-04-23 Pioneer Corporation Electrostatic capacity detection device
US7808235B2 (en) 2007-11-29 2010-10-05 Rockwell Automation Technologies, Inc. Apparatus and methods for proximity sensing circuitry
US20090174676A1 (en) 2008-01-04 2009-07-09 Apple Inc. Motion component dominance factors for motion locking of touch sensor data
EP2265900A2 (en) 2008-04-11 2010-12-29 Rambus Inc. Displacement sensing using a flexible substrate
US7911345B2 (en) 2008-05-12 2011-03-22 General Electric Company Methods and systems for calibration of RFID sensors
US8024970B2 (en) 2008-06-12 2011-09-27 Honeywell International Inc. Passive humidity sensors and methods for temperature adjusted humidity sensing
US8704315B2 (en) 2008-06-26 2014-04-22 Cornell University CMOS integrated micromechanical resonators and methods for fabricating the same
DE102008040682A1 (en) 2008-07-24 2010-01-28 Robert Bosch Gmbh Sensor arrangement and method for operating a sensor arrangement
US7983852B2 (en) 2008-10-21 2011-07-19 Thermo Finnigan Llc Methods of automated spectral peak detection and quantification without user input
US8108156B2 (en) 2008-11-06 2012-01-31 GM Global Technology Operations LLC Methods, program products, and systems for estimating the stress-strain relationship of a toughened structural adhesive polymer
US7843277B2 (en) 2008-12-16 2010-11-30 Immersion Corporation Haptic feedback generation based on resonant frequency
EP2389728B1 (en) 2009-01-21 2020-02-26 Microchip Technology Germany GmbH System for detecting the contact with a display
WO2010095573A1 (en) 2009-02-18 2010-08-26 国立大学法人京都工芸繊維大学 Touch sensor unit, robot equipped with said touch sensor unit, and load calculation method
US8384378B2 (en) 2009-02-27 2013-02-26 Kimberly-Clark Worldwide, Inc. Conductivity sensor
US20100328249A1 (en) 2009-06-25 2010-12-30 Stmicroelecronics Asia Pacific Pte Ltd. Capacitive-inductive touch screen
US8378797B2 (en) 2009-07-17 2013-02-19 Apple Inc. Method and apparatus for localization of haptic feedback
US9164605B1 (en) 2010-02-03 2015-10-20 Cypress Semiconductor Corporation Force sensor baseline calibration
US8327686B2 (en) 2010-03-02 2012-12-11 Li-Cor, Inc. Method and apparatus for the photo-acoustic identification and quantification of analyte species in a gaseous or liquid medium
US9501145B2 (en) 2010-05-21 2016-11-22 Disney Enterprises, Inc. Electrovibration for touch surfaces
KR101167399B1 (en) 2010-05-31 2012-07-19 삼성전기주식회사 Haptic Device
JP5889519B2 (en) 2010-06-30 2016-03-22 京セラ株式会社 Tactile sensation presentation apparatus and control method of tactile sensation presentation apparatus
US20120050206A1 (en) 2010-08-29 2012-03-01 David Welland Multi-touch resolve mutual capacitance sensor
US8428889B2 (en) 2010-10-07 2013-04-23 Thermo Finnigan Llc Methods of automated spectral peak detection and quantification having learning mode
US8970230B2 (en) 2011-02-28 2015-03-03 Cypress Semiconductor Corporation Capacitive sensing button on chip
US20130018489A1 (en) 2011-07-14 2013-01-17 Grunthaner Martin Paul Combined force and proximity sensing
TW201314182A (en) 2011-09-22 2013-04-01 li-xin Huang Charged body sensing system
US9160331B2 (en) 2011-10-28 2015-10-13 Atmel Corporation Capacitive and inductive sensing
KR101297654B1 (en) 2011-11-11 2013-08-21 국방과학연구소 Temperature compensation method and temperature and oscillation control loop system of parallel plate electrode type resonance sensor
CN107391014B (en) 2012-01-09 2020-10-27 谷歌有限责任公司 Intelligent touch screen keyboard with finger identification function
US9348508B2 (en) 2012-02-15 2016-05-24 International Business Machines Corporation Automatic detection of user preferences for alternate user interface model
JP5991735B2 (en) 2012-04-13 2016-09-14 株式会社ワコム Position indicator
US9977499B2 (en) 2012-05-09 2018-05-22 Apple Inc. Thresholds for determining feedback in computing devices
US9471169B2 (en) 2012-05-22 2016-10-18 Synaptics Incorporated Force enhanced input device
US9726518B2 (en) 2012-07-13 2017-08-08 Qualcomm Incorporated Systems, methods, and apparatus for detection of metal objects in a predetermined space
WO2014055848A1 (en) 2012-10-05 2014-04-10 Blue Line Engineering Co. Inductive sensor with demodulator
US10013163B2 (en) 2012-11-15 2018-07-03 Oliver Schönleben Method and device for typing on mobile computing devices
US9746224B2 (en) 2012-11-21 2017-08-29 Liebert Corporation Expansion valve setpoint control systems and methods
US10174977B2 (en) 2012-11-21 2019-01-08 Vertiv Corporation Apparatus and method for subcooling control based on superheat setpoint control
US20140180042A1 (en) 2012-12-20 2014-06-26 Covidien Lp Methods and Systems for Detecting a Sensor Off Condition Using A Reference Ambient Characteristic
US9528815B2 (en) 2013-02-08 2016-12-27 Hamilton Sundstrand Corporation Transformer based sensor arrangement
US9310457B2 (en) 2013-03-13 2016-04-12 Synaptics Incorporated Baseline management for sensing device
US9436282B2 (en) 2013-03-14 2016-09-06 Immersion Corporation Contactor-based haptic feedback generation
US10358034B2 (en) 2016-03-30 2019-07-23 Honda Motor Co., Ltd. System and method for controlling a vehicle display in a moving vehicle
US9130455B2 (en) 2013-07-17 2015-09-08 Avatekh, Inc. Method and apparatus for control of switched-mode power supplies
GB2517152A (en) 2013-08-12 2015-02-18 Gde Technology Ltd Position sensor
US9404727B2 (en) 2013-09-16 2016-08-02 Texas Instruments Incorporated Inductive position sensing with single channel interface to multiple resonant sensors
US9864507B2 (en) 2013-09-26 2018-01-09 Synaptics Incorporated Methods and apparatus for click detection on a force pad using dynamic thresholds
US9176635B2 (en) 2013-10-14 2015-11-03 Parade Technologies, Ltd. Virtual buttons for a touch interface
US20160241227A1 (en) 2013-11-14 2016-08-18 Mitsubishi Electric Corporation Semiconductor switching element driver circuit
US9415862B2 (en) 2013-12-18 2016-08-16 Merlin Technology, Inc. Control interface, system and method
WO2015173847A1 (en) 2014-05-14 2015-11-19 ネオテス株式会社 Contactless power transfer device
EP2955497B1 (en) 2014-06-09 2019-01-02 Nxp B.V. Force sensor with compensation
EP3127248B1 (en) 2014-06-19 2019-08-07 Koninklijke Philips N.V. Wireless inductive power transfer
US20170199022A1 (en) 2014-07-03 2017-07-13 Auckland Uniservices Limited External coupling sensor
TW201604746A (en) 2014-07-18 2016-02-01 凌通科技股份有限公司 Method for increasing signal to noise ratio of capacitive touch device and capacitive touch device and touch panel using the same
WO2016032704A1 (en) 2014-08-25 2016-03-03 3M Innovative Properties Company Capacitive-based touch apparatus and method with reduced interference
CN107077225B (en) 2014-10-06 2019-12-17 株式会社和冠 position indicator
US10126884B2 (en) 2014-12-22 2018-11-13 Synaptics Incorporated Asynchronous interference detection in a capacitive sensing system
JP5978416B1 (en) 2015-01-29 2016-08-24 株式会社ワコム Electronic pen
US9798417B2 (en) 2015-02-11 2017-10-24 Synaptics Incorporated Thermal baseline relaxation
JP6550793B2 (en) 2015-02-27 2019-07-31 株式会社ジェイテクト Temperature detection device and rotation angle detection device
US20180055448A1 (en) 2015-03-26 2018-03-01 Koninklijke Philips N.V. Contact lens for analyzing ocular fluid
US10416799B2 (en) 2015-06-03 2019-09-17 Microsoft Technology Licensing, Llc Force sensing and inadvertent input control of an input device
CA2991330C (en) 2015-08-03 2020-04-21 Halliburton Energy Services, Inc. Electromagnetic telemetry using capacitive electrodes
DE102015215331A1 (en) 2015-08-11 2017-02-16 Continental Teves Ag & Co. Ohg Electronic control unit
DE102015215330A1 (en) 2015-08-11 2017-02-16 Continental Teves Ag & Co. Ohg Inductive sensors with operating frequency near the resonance
KR20190000904A (en) 2015-08-14 2019-01-03 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Electronic sensor having electrical contacts for direct monitoring of filter media within a filtration system
WO2017030809A1 (en) 2015-08-14 2017-02-23 3M Innovative Properties Company Electromagnetic sensor for active monitoring of filter media within a filtration system
US10199850B2 (en) 2015-09-16 2019-02-05 Energous Corporation Systems and methods for wirelessly transmitting power from a transmitter to a receiver by determining refined locations of the receiver in a segmented transmission field associated with the transmitter
US11033322B2 (en) 2015-09-30 2021-06-15 Ethicon Llc Circuit topologies for combined generator
US10298049B2 (en) 2015-10-05 2019-05-21 Witricity Corporation Systems, methods, and apparatus for detecting metallic objects in a predetermined space via inductive kinematic sensing
KR102432620B1 (en) 2015-11-12 2022-08-16 삼성전자주식회사 Electronic device and method for performing action according to proximity of external object
JP6083910B1 (en) 2015-11-24 2017-02-22 レノボ・シンガポール・プライベート・リミテッド Information processing apparatus, information processing method, and program
EP3179335B1 (en) 2015-12-10 2020-03-04 Nxp B.V. Haptic feedback controller
JP6100355B1 (en) 2015-12-15 2017-03-22 レノボ・シンガポール・プライベート・リミテッド Keyboard and control method thereof
CN105428840B (en) 2015-12-23 2018-05-29 苏州九云丰电子科技有限公司 Electrolytic ion type grounding module
US10690511B2 (en) 2015-12-26 2020-06-23 Intel Corporation Technologies for managing sensor anomalies
US10218791B2 (en) 2015-12-29 2019-02-26 General Electric Company Systems and methods for networked sensor nodes
CN105630021B (en) 2015-12-31 2018-07-31 歌尔股份有限公司 A kind of the tactile vibrations control system and method for intelligent terminal
CN105511514B (en) 2015-12-31 2019-03-15 歌尔股份有限公司 A kind of the tactile vibrations control system and method for intelligent terminal
DE102016100721B3 (en) 2016-01-18 2017-03-23 Trumpf Scientific Lasers Gmbh + Co. Kg Relative phase measurement for the coherent combining of laser beams
US9899879B2 (en) 2016-02-15 2018-02-20 Motorola Solutions, Inc. Systems and methods for controlling wireless power transfer
US10101863B2 (en) 2016-02-18 2018-10-16 Synaptics Incorporated Force calibration for temperature
US10146360B2 (en) 2016-04-29 2018-12-04 Synaptics Incorporated Hybrid capacitive and resistive sensing for force and touch
US11226661B2 (en) 2016-06-22 2022-01-18 Texas Instruments Incorporated Securing a touch sensor assembly within a device
US10216234B2 (en) 2016-06-23 2019-02-26 Texas Instruments Incorporated Securing a touch sensor assembly for a touch button within a device
US20170371473A1 (en) 2016-06-23 2017-12-28 A D Metro Touch Sensor Device and Method
US10938390B2 (en) 2016-06-30 2021-03-02 Schlumberger Technology Corporation Shaft proximity sensors
US10211801B2 (en) 2016-07-15 2019-02-19 Psemi Corporation Hybrid coupler with phase and attenuation control
US10416771B2 (en) 2016-08-03 2019-09-17 Apple Inc. Haptic output system for user input surface
US10890973B2 (en) 2016-08-31 2021-01-12 Apple Inc. Electronic device including multi-phase driven linear haptic actuator and related methods
CN106326594B (en) 2016-09-05 2024-04-05 歌尔股份有限公司 Method and circuit for obtaining output quantity of linear resonant actuator
US10599247B2 (en) 2016-09-06 2020-03-24 Apple Inc. Thermal compensation for force-sensitive button
US10139975B2 (en) 2016-09-23 2018-11-27 Apple Inc. Pressure compensation for force-sensitive touch screen
US9707502B1 (en) 2016-09-26 2017-07-18 3M Innovative Properties Company Conductive loop detection member
US10551338B2 (en) 2016-09-29 2020-02-04 General Electric Company Systems and methods for sensing compounds in an environment
US10389301B2 (en) 2016-10-04 2019-08-20 Microsemi Solutions (U.S.), Inc. Method and apparatus for reconfigurable multicore oscillator
US20180189647A1 (en) 2016-12-29 2018-07-05 Google, Inc. Machine-learned virtual sensor model for multiple sensors
US10060872B1 (en) 2017-02-13 2018-08-28 General Electric Company Sensing system and method
US10444916B2 (en) 2017-03-10 2019-10-15 Cypress Semiconductor Corporation Combined inductive sensing and capacitive sensing
US10732714B2 (en) 2017-05-08 2020-08-04 Cirrus Logic, Inc. Integrated haptic system
EP3622288A1 (en) 2017-06-13 2020-03-18 General Electric Company Dissolved gas analysis with impedimetric gas sensor
US10444761B2 (en) 2017-06-14 2019-10-15 Trifo, Inc. Monocular modes for autonomous platform guidance systems with auxiliary sensors
US10128836B1 (en) 2017-08-08 2018-11-13 Ford Global Technologies, Llc Proximity sensor assembly and method of detecting failure thereof
US11093088B2 (en) 2017-08-08 2021-08-17 Cambridge Touch Technologies Ltd. Device for processing signals from a pressure-sensing touch panel
US10871847B2 (en) 2017-09-29 2020-12-22 Apple Inc. Sensing force and press location in absence of touch information
US10514545B2 (en) 2017-12-08 2019-12-24 Facebook Technologies, Llc Selective tracking of a head-mounted display
US10561842B2 (en) 2017-12-14 2020-02-18 NeuSpera Medical Inc. Layered midfield transmitter with dielectric tuning
GB2570533B (en) 2017-12-20 2021-09-22 Sonuus Ltd Keyboard sensor systems and methods
US11232178B2 (en) 2017-12-22 2022-01-25 Synaptics Incorporated Systems and methods for behavioral authentication using a touch sensor device
US20190204929A1 (en) 2017-12-29 2019-07-04 Immersion Corporation Devices and methods for dynamic association of user input with mobile device actions
GB2574588A (en) 2018-06-06 2019-12-18 Cambridge Touch Tech Ltd Pressure sensing apparatus and method
US10782785B2 (en) 2018-01-29 2020-09-22 Cirrus Logic, Inc. Vibro-haptic design and automatic evaluation of haptic stimuli
GB2573644A (en) 2018-03-29 2019-11-13 Cirrus Logic Int Semiconductor Ltd Resonant phase sensing of resistive-inductive-capacitive sensors
US10642435B2 (en) 2018-03-29 2020-05-05 Cirrus Logic, Inc. False triggering prevention in a resonant phase sensing system
US10921159B1 (en) 2018-03-29 2021-02-16 Cirrus Logic, Inc. Use of reference sensor in resonant phase sensing system
US11537242B2 (en) 2018-03-29 2022-12-27 Cirrus Logic, Inc. Q-factor enhancement in resonant phase sensing of resistive-inductive-capacitive sensors
US11092657B2 (en) 2018-03-29 2021-08-17 Cirrus Logic, Inc. Compensation of changes in a resonant phase sensing system including a resistive-inductive-capacitive sensor
US10725549B2 (en) 2018-03-29 2020-07-28 Cirrus Logic, Inc. Efficient detection of human machine interface interaction using a resonant phase sensing system
US10908200B2 (en) 2018-03-29 2021-02-02 Cirrus Logic, Inc. Resonant phase sensing of resistive-inductive-capacitive sensors
US11009988B2 (en) 2018-05-04 2021-05-18 Synaptics Incorporated Using electrical resistance to estimate force on an electrode during temperature changes
US10649532B2 (en) 2018-06-15 2020-05-12 Immersion Corporation Systems and methods for multi-rate control of haptic effects with sensor fusion
US12130159B2 (en) 2018-08-22 2024-10-29 Cirrus Logic Inc. Detecting and adapting to changes in a resonant phase sensing system having a resistive-inductive-capacitive sensor
US20220029505A1 (en) 2018-08-22 2022-01-27 Cirrus Logic International Semiconductor Ltd. Systems and methods for sensing displacement of an electromechanical transducer
US10866683B2 (en) 2018-08-27 2020-12-15 Apple Inc. Force or touch sensing on a mobile device using capacitive or pressure sensing
GB201817495D0 (en) 2018-10-26 2018-12-12 Cirrus Logic Int Semiconductor Ltd A force sensing system and method
US10795518B2 (en) 2018-10-30 2020-10-06 Synaptics Incorporated Baseline update for input object detection
JP7120725B2 (en) 2018-11-14 2022-08-17 アルパイン株式会社 ELECTRONIC DEVICE WITH TOUCH PANEL, BASELINE VALUE UPDATE METHOD AND UPDATE PROGRAM
US10826628B2 (en) 2018-11-30 2020-11-03 Rohde & Schwarz Gmbh & Co. Kg Wireless coexistence test system, method and computer program for testing wireless coexistence
CN209069345U (en) 2018-12-24 2019-07-05 南宁职业技术学院 Multi-parameters sampling circuit
US10948313B2 (en) 2019-02-26 2021-03-16 Cirrus Logic, Inc. Spread spectrum sensor scanning using resistive-inductive-capacitive sensors
GB2582065B (en) 2019-02-26 2021-09-08 Cirrus Logic Int Semiconductor Ltd On-chip resonance detection and transfer function mapping of resistive-inductive-capacitive sensors
US11402946B2 (en) 2019-02-26 2022-08-02 Cirrus Logic, Inc. Multi-chip synchronization in sensor applications
US10935620B2 (en) 2019-02-26 2021-03-02 Cirrus Logic, Inc. On-chip resonance detection and transfer function mapping of resistive-inductive-capacitive sensors
US11536758B2 (en) 2019-02-26 2022-12-27 Cirrus Logic, Inc. Single-capacitor inductive sense systems
US11644370B2 (en) 2019-03-29 2023-05-09 Cirrus Logic, Inc. Force sensing with an electromagnetic load
US11474135B2 (en) 2019-04-03 2022-10-18 Cirrus Logic, Inc. Auto-centering of sensor frequency of a resonant sensor
US11093060B2 (en) 2019-05-16 2021-08-17 Cirrus Logic, Inc. Interference detection and mitigation in inductive sensor applications and dynamic adaptation based on real-time noise detection
US11552635B2 (en) 2019-05-20 2023-01-10 Cypress Semiconductor Corporation High performance inductive sensing all digital phase locked loop
US11171641B2 (en) 2019-06-03 2021-11-09 Cirrus Logic, Inc. Compensation for air gap changes and temperature changes in a resonant phase detector
US11255892B2 (en) 2019-06-05 2022-02-22 Cirrus Logic, Inc. Phase compensation in a resonant phase detector
US20210064137A1 (en) 2019-08-30 2021-03-04 Apple Inc. Electronic device including sensor driven haptic actuator and related methods
US11079874B2 (en) 2019-11-19 2021-08-03 Cirrus Logic, Inc. Virtual button characterization engine
US12463643B2 (en) 2019-11-19 2025-11-04 Cirrus Logic Inc. Baseline calculation for sensor system
US11579030B2 (en) 2020-06-18 2023-02-14 Cirrus Logic, Inc. Baseline estimation for sensor system
US11835410B2 (en) 2020-06-25 2023-12-05 Cirrus Logic Inc. Determination of resonant frequency and quality factor for a sensor system
US11526236B2 (en) 2020-09-07 2022-12-13 Samsung Electro-Mechanics Co., Ltd. Touch sensing device
US11459970B2 (en) 2021-02-24 2022-10-04 Caterpillar Inc. Fuel leak detection system
US11808669B2 (en) 2021-03-29 2023-11-07 Cirrus Logic Inc. Gain and mismatch calibration for a phase detector used in an inductive sensor
US11821761B2 (en) 2021-03-29 2023-11-21 Cirrus Logic Inc. Maximizing dynamic range in resonant sensing
US11507199B2 (en) 2021-03-30 2022-11-22 Cirrus Logic, Inc. Pseudo-differential phase measurement and quality factor compensation
US12176057B2 (en) * 2021-11-08 2024-12-24 Cirrus Logic Inc. Systems and methods for minimizing idle channel noise in a single-ended amplifier
US12163986B2 (en) * 2021-11-09 2024-12-10 Cirrus Logic Inc. Compensating for current splitting errors in a measurement system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090251216A1 (en) * 2008-04-04 2009-10-08 Infineon Technologies Ag Common mode control circuitry for multi-stage operational amplifiers
US20180020288A1 (en) * 2016-07-15 2018-01-18 Texas Instruments Incorporated Direct current mode digital-to-analog converter to class d amplifier

Also Published As

Publication number Publication date
US20230170854A1 (en) 2023-06-01
GB202215005D0 (en) 2022-11-23
US11979115B2 (en) 2024-05-07
GB2613686A (en) 2023-06-14

Similar Documents

Publication Publication Date Title
IL292081A (en) Reducing harmonic distortion by dithering
GB2595415B (en) Compensation of own voice occlusion
GB202018412D0 (en) Malt-1 modulators ii
PT4117784T (en) Gpr52 modulator compounds
SG11202106265QA (en) Feedback for sidelink communications
IL318189A (en) Heterocycle rbm39 modulators
GB2614993B (en) Predictive communication compensation
IL285333A (en) Modulators of malat1 expression
IL317435A (en) Trem2 modulators
CA198396S (en) Lid
ES3053759T3 (en) Gpr52 modulator compounds
GB2613686B (en) Modulator feedforward compensation
GB2604707B (en) Amplifier input offset compensation
IL277488A (en) Method for modulating weight
GB2589428B (en) Linearized modulator
CA208738S (en) Lid
CA206730S (en) Lid
IL284706B1 (en) Closed-loop feedback printing system
GB202213458D0 (en) Compensating pcm drift for neuromorphic applications
GB202018411D0 (en) Malt-1 modulators i
GB202215226D0 (en) Thermal compensation
IL324884A (en) Trem2 modulators
HK40093361A (en) Gpr52 modulator compounds
GB202317529D0 (en) Overcap
GB202008210D0 (en) Dynamic feedback schedules